Wears out is a term that is used to describe the process of something becoming worn or damaged over time due to regular use and continuous wear and tear. There are several synonyms that can be used to convey the same meaning as "wears out," including "wears down," "frays," "breaks down," "deteriorates," "degrades," and "fatigues." These synonyms can be used interchangeably depending on the context and are useful to add variety to your writing or conversation. It is important to note that using synonyms in place of the same word can elevate the language and make it more compelling.